METHOD AND APPARATUS FOR PROVIDING ADAPTIVE CONTROL OF TRACK SERVO

Details for Australian Patent Application No. 2002346659 (hide)

Owner OAK TECHNOLOGY, INC.

Inventors ONG, Hwee, Chin; SONG, Hubert

Pub. Number AU-A-2002346659

PCT Number PCT/US02/38801

PCT Pub. Number WO2003/050512

Priority 10/013,068 07.12.01 US

Filing date 3 December 2002

Wipo publication date 23 June 2003

International Classifications

G01N 021/00 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G11B 007/09 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

G11B 007/00 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 10/013,068 07.12.01 US

28 August 2003 Application Open to Public Inspection

  Published as AU-A-2002346659

26 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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